Etel DSC2P - Page 78

Operation & Software Manual
78
Direct Drives & Systems
Chapter B: System setup & tuning ETEL Doc. - Operation & Software Manual # DSC2P 903 / Ver. F / 3/6/05
THIS PAGE IS INTENTIONALLY LEFT BLANK
Do a step (T=1 / Nb p.=150) M6 M7
High freq.
oscillations ?
(noise)
Lower
pseudo
D gain : K2 / 2
Higher
pseudo
D gain : K2 x 1,5
Current regulator's basic tuning = OK
Position regulator's
basic tuning:
Do a step (T=1 / Nb p.=150) M6 M7
0,5% < Overshoot < 5%
?
Higher P gain : K1 x 1,1 to 1,5
Modify P gain : K1 x 0,8 to 1,2
Higher I gain : K4 x 1,5
Constant error ?
Do a step (T=1 / Nb p.=150 to 450) M6 M7
Set K20 value = K2
SAV.axis# = 2
RSD.axis# = 255
PWR
IND
POS.axis# +
= x (< travel limit !)
High freq. noise ?
(high note)
Speed feedback filter : K8 + 1
Position regulator's basic tuning = OK
YES
O
NO
NO
NO
YES
YES
NO
O
constant error
(+ or -)
M7 no overshoot
M7 overshoot >> 5%
M7 oscillations on position